Inclusion Criteria:

1. Patients with primary squamous cell vulvar cancer except stage Ia disease regardless
of the received treatment

2. Patients with recurrent squamous cell vulvar cancer, if the relapse was not only
treated with a surgical excision.

3. Or alternatively, dependent on the decision of the participating center:

-Patients with primary or relapsed squamous cell vulvar cancer receiving radio-
and/or chemotherapy for treatment regardless of nodal involvement.

4. Patients who were diagnosed with and treated for primary or relapsed vulvar cancer
between 1998 and 2008

5. Women aged ≥ 18 years

Exclusion Criteria:

1. Patients with benign or precursor lesions (VIN - vulvar intraepithelial neoplasia) of
the vulva

2. Patients with non-squamous neoplasia of the vulva (e.g. melanoma)

3. Patients with verrucous vulvar cancer

4. Patients with relapsed squamous cell vulvar cancer only receiving surgical excision
for treatment.

5. Patients with secondary cancers if those interfered with the treatment of vulvar
disease